Deepwater waterproof connector

Abstract

The utility model discloses a deepwater waterproof connector which comprises a male joint, a female joint, a first sealing ring, a second sealing ring and a waterproof nut. The waterproof nut is provided with a clamping ring, and the outer wall of the female connector is provided with a first annular protrusion and a second annular protrusion. A female head terminal is arranged in the female connector, the waterproof nut is movably arranged outside the insertion end of the female connector in a sleeving mode, external threads are arranged on the outer wall of the male connector, an insertion groove is formed in one end of the male connector, and a male head terminal is arranged in the insertion groove. When the insertion end of the female joint is inserted into the slot, the female head terminal is in butt joint with the male head terminal; after the waterproof nut and the outer wall of the male connector are screwed tightly and the clamping ring makes contact with the upper end face of the first annular protrusion, the inner wall of the inserting groove and the lower end face of the first annular protrusion make close contact with the first sealing ring, and the inner wall of the inserting groove and the lower end face of the second annular protrusion make close contact with the second sealing ring. The first sealing ring and the second sealing ring are used for double sealing, and the sealing effect can be achieved under the deepwater condition.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a deep water waterproof connector. Background Art

[0002] The existing waterproof connector includes a male connector, a female connector, a sealing ring and a waterproof nut; the sealing ring is arranged outside the female connector, and the waterproof nut is used to tighten the male connector and the female connector so that the sealing ring contacts the end face of the male connector. Since there is only one sealing ring, this waterproof connector can play a certain waterproof role under normal circumstances, but in an environment with relatively high pressure such as deep water, the sealing effect cannot meet the requirements. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a deep water waterproof connector in view of the deficiencies of the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions.

[0005] A deep-water waterproof connector, comprising a male connector, a female connector, a first sealing ring, a second sealing ring and a waterproof nut; the inner wall of the waterproof nut is provided with a clamping ring toward the center direction of the waterproof nut, the outer wall of the insertion end of the female connector is provided with a first annular protrusion and a second annular protrusion, an annular groove is formed between the first annular protrusion and the second annular protrusion, the first sealing ring is sleeved in the annular groove, the second sealing ring is sleeved outside the insertion end of the female connector and contacts with the end face of the second annular protrusion; a female terminal is provided in the female connector, the waterproof The nut movable sleeve is arranged outside the insertion end of the female connector, the outer wall of the male connector is provided with an external thread, and one end of the male connector is provided with a slot, and a male terminal is provided in the slot; when the insertion end of the female connector is inserted into the slot, the female terminal and the male terminal are docked; after the waterproof nut is tightened with the outer wall of the male connector and the clamping ring contacts the upper end surface of the first annular protrusion, the inner wall of the slot and the lower end surface of the first annular protrusion are closely contacted with the first sealing ring respectively, and the inner wall of the slot and the lower end surface of the second annular protrusion are closely contacted with the second sealing ring respectively.

[0006] A preferred solution is that the slot includes a first opening section, a second opening section and a third opening section, the outer diameter of the first opening section is larger than the outer diameter of the second opening section, the outer diameter of the second opening section is larger than the outer diameter of the third opening section, and the shape of the second opening section is a funnel shape.

[0007] A preferred solution is that the male terminal is encapsulated with packaging glue, one end of the male terminal is provided with an insertion hole, and the other end passes through the male connector and extends out of the slot; the female connector is penetrated by a second through hole along the axial direction, the outside of the female terminal is sealed and connected to the inner wall of the second through hole by packaging glue, one end of the female terminal is used to be inserted into the insertion hole, and the other end extends out of the female connector.

[0008] A preferred solution is that a guide boss is provided on the outer wall of the insertion end of the female connector, and a guide groove is provided on the inner wall of the slot. When the insertion end of the female connector is inserted into the slot, the guide boss moves along the guide groove.

[0009] A preferred solution is that the deep water waterproof connector also includes a silicone pad, which is located in the slot and is sleeved on the outside of the male terminal. When the insertion end of the female connector is inserted into the slot and the waterproof nut is tightened with the outer wall of the male connector, the end face of the insertion end is in close contact with the silicone pad.

[0010] The deep water waterproof connector provided by the embodiment of the utility model has at least the following beneficial effects: when the waterproof nut is rotated to a certain position, the clamping ring is in close contact with the upper end face of the first annular protrusion, the inner wall of the slot and the lower end face of the first annular protrusion are in close contact with the first sealing ring respectively, and the first sealing ring is in a compressed state to form a waterproof structure; at the same time, the inner wall of the slot and the lower end face of the second annular protrusion are in close contact with the second sealing ring respectively, and the second sealing ring is in a compressed state to form another waterproof structure, a double waterproof structure, which increases the waterproof effect and has a good waterproof effect.

[0011] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 It is an exploded view of the utility model;

[0015] Figure 4 It is a cross-sectional view of the male connector of the utility model;

[0016] Figure 5 It is a cross-sectional view of the female connector in the utility model;

[0017] Figure 6It is a cross-sectional view of the waterproof nut in the utility model. DETAILED DESCRIPTION

[0018] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0019] like Figures 1 to 6 As shown, a deep-water waterproof connector comprises a male connector 10, a female connector 20, a first sealing ring 30, a second sealing ring 40 and a waterproof nut 50; the inner wall of the waterproof nut 50 is provided with a clamping ring 51 toward the center direction of the waterproof nut 50, the outer wall of the insertion end of the female connector 20 is provided with a first annular protrusion 21 and a second annular protrusion 22, an annular groove 24 is formed between the first annular protrusion 21 and the second annular protrusion 22, the first sealing ring 30 is sleeved in the annular groove 24, the second sealing ring 40 is sleeved outside the insertion end of the female connector 20 and contacts with the end face of the second annular protrusion 22; the female connector 20 is provided with a female terminal 23, the The waterproof nut 50 is movably sleeved on the outside of the insertion end of the female connector 20, the outer wall of the male connector 10 is provided with an external thread, and one end of the male connector 10 is provided with a slot 11, and a male terminal 12 is provided in the slot 11; when the insertion end of the female connector 20 is inserted into the slot 11, the female terminal 23 is docked with the male terminal 12; after the waterproof nut 50 is tightened with the outer wall of the male connector 10 and the clamping ring 51 contacts the upper end surface of the first annular protrusion 21, the inner wall of the slot 11 and the lower end surface of the first annular protrusion 21 are respectively in close contact with the first sealing ring 30, and the inner wall of the slot 11 and the lower end surface of the second annular protrusion 22 are respectively in close contact with the second sealing ring 40.

[0020] like Figures 1 to 6 As shown, the first sealing ring 30 is sleeved outside the annular groove 24, the second sealing ring 40 is sleeved on the outer wall of the insertion end of the female connector 20, and the second sealing ring 40 contacts the lower end face of the second annular protrusion 22. The insertion end of the female connector 20 passes through the clamping ring 51 and extends into the slot 11, and then the waterproof nut 50 is tightened, and the waterproof nut 50 is threadedly connected with the outer wall of the male connector 10. When the waterproof nut 50 is rotated to a certain position, the clamping ring 51 is in close contact with the upper end face of the first annular protrusion 21, and the inner wall of the slot 11 and the lower end face of the first annular protrusion 21 are in close contact with the first sealing ring 30 respectively, and the first sealing ring 30 is in a compressed state to form a waterproof structure. At the same time, the inner wall of the slot 11 and the lower end face of the second annular protrusion 22 are in close contact with the second sealing ring 40 respectively, and the second sealing ring 40 is in a compressed state to form another waterproof structure. The double waterproof structure increases the waterproof effect and has a good waterproof effect.

[0021] like Figures 1 to 6As shown, the diameter of the first annular protrusion 21 is greater than the diameter of the second annular protrusion 22. When the waterproof nut 50 is rotated to a certain position, the clamping ring 51 is in close contact with the upper end surface of the first annular protrusion 21, and the lower end surface of the first annular protrusion 21 is in contact with the upper end surface of the male connector 10, and the first sealing ring 30 and the second sealing ring 40 respectively play a waterproof role.

[0022] like Figures 1 to 6 As shown, the slot 11 includes a first opening section 111, a second opening section 112 and a third opening section 113, the outer diameter of the first opening section 111 is greater than the outer diameter of the second opening section 112, the outer diameter of the second opening section 112 is greater than the outer diameter of the third opening section 113, and the shape of the second opening section 112 is a funnel shape.

[0023] like Figures 1 to 6 As shown, the male terminal 12 is encapsulated with a sealing glue, one end of the male terminal 12 is provided with an insertion hole 121, and the other end passes through the male connector 10 and extends out of the slot 11; the female connector 20 is penetrated with a second through hole 25 along the axial direction, and the female terminal 23 is sealed and connected to the inner wall of the second through hole 25 through the sealing glue. One end of the female terminal 23 is used to be inserted into the insertion hole 121, and the other end extends out of the female connector 20. The male terminal 12 is arranged in the slot 11 through the sealing glue, and the male terminal 12 has a better waterproof effect. The female terminal 23 is sealed and connected to the inner wall of the second through hole 25 through the sealing glue, and the female terminal 23 has a better waterproof effect.

[0024] like Figures 1 to 6 As shown, the outer wall of the insertion end of the female connector 20 is provided with a guide boss 26, and the inner wall of the slot 11 is provided with a guide groove 13. When the insertion end of the female connector 20 is inserted into the slot 11, the guide boss 26 moves along the guide groove 13. The guide boss 26 plays a foolproof role, facilitating the insertion end of the female connector 20 to be inserted into the slot 11.

[0025] The above is a specific implementation of the present utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications are also considered to be within the protection scope of the present utility model.

Claims

1. A deep water waterproof connector, characterized in that: It comprises a male connector, a female connector, a first sealing ring, a second sealing ring and a waterproof nut; a clamping ring is provided on the inner wall of the waterproof nut toward the center direction of the waterproof nut, a first annular protrusion and a second annular protrusion are provided on the outer wall of the insertion end of the female connector, an annular groove is formed between the first annular protrusion and the second annular protrusion, the first sealing ring is sleeved in the annular groove, the second sealing ring is sleeved outside the insertion end of the female connector and contacts with the end face of the second annular protrusion; a female terminal is provided in the female connector, the waterproof nut is movably sleeved outside the insertion end of the female connector, the outer wall of the male connector is provided with an external thread, a slot is provided at one end of the male connector, and a male terminal is provided in the slot; when the insertion end of the female connector is inserted into the slot, the female terminal is butted against the male terminal; after the waterproof nut is tightened with the outer wall of the male connector and the clamping ring contacts with the upper end face of the first annular protrusion, the inner wall of the slot and the lower end face of the first annular protrusion are in close contact with the first sealing ring respectively, and the inner wall of the slot and the lower end face of the second annular protrusion are in close contact with the second sealing ring respectively.

2. The deepwater waterproof connector according to claim 1, characterized in that: The slot includes a first opening section, a second opening section and a third opening section, the outer diameter of the first opening section is larger than the outer diameter of the second opening section, the outer diameter of the second opening section is larger than the outer diameter of the third opening section, and the shape of the second opening section is a funnel shape.

3. The deepwater waterproof connector according to claim 1, characterized in that: The male terminal is encapsulated with packaging glue, one end of the male terminal is provided with an insertion hole, and the other end passes through the male connector and extends out of the slot; the female connector is penetrated by a second through hole along the axial direction, the outside of the female terminal is sealed and connected to the inner wall of the second through hole by packaging glue, one end of the female terminal is used to be inserted into the insertion hole, and the other end extends out of the female connector.

4. The deepwater waterproof connector according to claim 1, characterized in that: The outer wall of the insertion end of the female connector is provided with a guide boss, and the inner wall of the slot is provided with a guide groove. When the insertion end of the female connector is inserted into the slot, the guide boss moves along the guide groove.

Images